if it's the line I'm thinking of, it basically ties into a little known Meme about her being stacked as the mix of 99 being the number of planes and how the wording resembled Konyuu (whever the big boob word is)
[...] how the wording resembled Konyuu (whever the big boob word is)
Kyonyuu, spelled 巨乳 ("giant breasts"). It makes me chuckle because 巨 is the same kanji used to spell "titan" in Attack on Titan (進撃の巨人, "attack of giant people").
